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42470448 = 2438111091
BaseRepresentation
bin1010001000000…
…0110000110000
32221220201111120
42202000300300
541333023243
64114142240
71023664356
oct242006060
987821446
1042470448
1121a78749
1212281980
138a50157
1458d77d6
153addc83
hex2880c30

42470448 has 40 divisors (see below), whose sum is σ = 109951296. Its totient is φ = 14126400.

The previous prime is 42470423. The next prime is 42470459. The reversal of 42470448 is 84407424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38383 + ... + 39473.

Almost surely, 242470448 is an apocalyptic number.

42470448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42470448 is an abundant number, since it is smaller than the sum of its proper divisors (67480848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42470448 is a wasteful number, since it uses less digits than its factorization.

42470448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 33.

The square root of 42470448 is about 6516.9354761268. The cubic root of 42470448 is about 348.8956976567.

The spelling of 42470448 in words is "forty-two million, four hundred seventy thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 811 1091 1622 2182 2433 3244 3273 4364 4866 6488 6546 8728 9732 12976 13092 17456 19464 26184 38928 52368 884801 1769602 2654403 3539204 5308806 7078408 10617612 14156816 21235224 42470448